165438653497918047

Names of 165438653497918047

• Cardinal: 165438653497918047 can be written as One hundred sixty-five quadrillion, four hundred thirty-eight trillion, six hundred fifty-three billion, four hundred ninety-seven million, nine hundred eighteen thousand and forty-seven.

Scientific notation

• Scientific notation: 1.65438653497918047 × 10¹⁷

Factors of 165438653497918047

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 448

Divisors of 165438653497918047

• Number of divisors d(n): 150
• Complete list of divisors:
  1 3 9 13 23 39 69 117 169 207 299 409 507 897 1227 1521 2197 2691 3681 3887 5317 6591 9407 11661 15951 19773 28221 28561 34983 47853 50531 69121 84663 85683 122291 151593 167281 207363 257049 366873 454779 501843 622089 656903 898573 1100619 1505529 1589783 1970709 2174653 2695719 3847463 4769349 5912127 6523959 8087157 11542389 11681449 14308047 19571877 20667179 28270489 34627167 35044347 50017019 62001537 68417929 84811467 105133041 150051057 186004611 205253787 254434401 268673327 367516357 450153171 615761361 650221247 806019981 889433077 1102549071 1573612367 1950663741 2418059943 2668299231 3307647213 4720837101 4777712641 5851991223 8004897693 8452876211 11562630001 14162511303 14333137923 20456960771 25358628633 27982932961 34687890003 42999413769 61370882313 76075885899 83948798883 104063670009 109887390743 150314190013 184112646939 251846396649 265940490023 329662172229 363778128493 450942570039 643607458103 797821470069 988986516687 1091334385479 1352827710117 1930822374309 1954084470169 2393464410207 3274003156437 3457226370299 4729115670409 5792467122927 5862253410507 8366896955339 10371679110897 14187347011227 17586760231521 25100690866017 31115037332691 42562041033681 44943942813887 61478503715317 75302072598051 108769660419407 134831828441661 184435511145951 326308981258221 404495485324983 553306533437853 799220548299121 978926943774663 1414005585452291 2397661644897363 4242016756356873 7192984934692089 12726050269070619 18382072610879783 55146217832639349 165438653497918047
• Sum of all divisors σ(n): 270797915361392952
• Sum of proper divisors (its aliquot sum) s(n): 105359261863474905
• 165438653497918047 is a deficient number, because the sum of its proper divisors (105359261863474905) is less than itself. Its deficiency is 60079391634443142

Bases of 165438653497918047

• Binary: 1001001011110000011001010000101101110111001100001001011111₂
• Hexadecimal: 0x24BC1942DDCC25F
• Base-36: 198Z3W7D7IHR

Squares and roots of 165438653497918047

• 165438653497918047 squared (165438653497918047²) is 27369948071204191248063763528294209
• 165438653497918047 cubed (165438653497918047³) is 4528047355207960578139465740681922992138558786689823
• The square root of 165438653497918047 is 406741506.9769964439
• The cube root of 165438653497918047 is 548966.2715389291

Scales and comparisons

• 165,438,653,497,918,047 seconds is equal to 5,260,437,445 years, 45 weeks, 4 days, 23 hours, 27 minutes, 27 seconds.
• To count from 1 to 165,438,653,497,918,047 would take you about fifteen billion, seven hundred eighty-one million, three hundred twelve thousand, three hundred thirty-seven years!

  This is a very rough estimate, based on a speaking rate of half a second every third order of magnitude. If you speak quickly, you could probably say any randomly-chosen number between one and a thousand in around half a second. Very big numbers obviously take longer to say, so we add half a second for every extra x1000. (We do not count involuntary pauses, bathroom breaks or the necessity of sleep in our calculation!)

• A cube with a volume of 165438653497918047 cubic inches would be around 45747.2 feet tall.

Recreational maths with 165438653497918047

• 165438653497918047 backwards is 740819794356834561
• The number of decimal digits it has is: 18
• The sum of 165438653497918047's digits is 90
• More coming soon!